Quantum Entanglement
13 reportsThe main lines of inquiry around Quantum Entanglement include symmetries and limiting cases; connections to other theories; and open theoretical questions. For questions involving connections to other theories, the account uses quantitative predictions as the measured record and precision measurements to expose uncertainty; the evidence is read with the caveat that agreement within one regime does not guarantee validity beyond tested conditions.
DOE Funds Quantum Sensors for High-Energy Physics Experiments
The U.S. Department of Energy is investing $7.3 million in eight collaborative projects to integrate quantum information science tools into particle accelerator and neutrino experiments, aiming to probe phenomena beyond the reach of classical detection
Skyloom Deploys 84 Optical Terminals for Secure Space-Based Networks
Skyloom Global, now part of IonQ, has installed 84 optical communication terminals in low-Earth orbit, supporting the U.S. Space Development Agency's secure mesh network for military data transfer and future quantum networking applications
Brookhaven and Stony Brook Send Entangled Photons 21 km Through Open Air
A team at Brookhaven National Laboratory and Stony Brook University has established a 21-kilometer free-space quantum link, transmitting single and entangled photons across the atmosphere to connect metropolitan quantum network nodes under real-world conditions
16-Qubit Photonic Quantum Processor Demonstrated on Silicon Chip
A team from Hefei Guizhen Chip Technology and USTC has built a 16-qubit measurement-based quantum computing system on a silicon photonic chip, achieving high-fidelity operation using high-dimensional path encoding
Qunnect and Monarch Target Scalable Quantum Network Hardware
Qunnect and Monarch Quantum have announced a partnership to develop modular, miniaturized entanglement distribution hardware for quantum networks, aiming to reduce system size and cost through advanced photonic manufacturing techniques
Entangled Photons Sent Over 62 km of Live Aerial Fiber in Maryland
A team from NIST, the University of Maryland, and Qunnect has distributed polarization-entangled photons across 62 kilometers of commercial aerial fiber, testing quantum communication under real-world environmental noise
OptQC and NTT Target Million-Qubit Optical Quantum Computer by 2030
OptQC and NTT have announced a capital and business alliance to develop a fault-tolerant optical quantum computer targeting one million physical qubits, with a roadmap spanning hardware, supply chain, and enterprise integration through 2030
External Beta Opens for EntangleX Quantum Circuit Simulator Platform
Two Hands Corporation has released its EntangleX quantum circuit simulation software for external beta testing, allowing selected partners to evaluate browser-based GPU-accelerated modeling of quantum circuits without physical quantum hardware
Quantum Networking Roadmap Reveals Gaps in Scalable Infrastructure
A new roadmap from QED-C and the Center for Quantum Networks details the technical and engineering barriers that limit current quantum networking applications, highlighting the need for advances in switches, repeaters, and satellite links
Quantum Hardware Firms Test Entanglement-Based Network in Albuquerque
Four quantum technology companies are deploying hardware and software on ABQ-Net, an open-access entanglement-based quantum network in New Mexico, to evaluate secure communication, sensing, and network protocols under real-world fiber conditions
How Bell's Theorem Emerged from an Unusual Physics Journal
John Bell's 1964 theorem on quantum nonlocality was first published in a short-lived journal with an unconventional editorial model. The story of this publication highlights the challenges of peer review, editorial selection, and scientific recognition in quantum physics
Neutral-Atom Quantum Computer Fits Standard Server Rack in Shanghai Debut
A Chinese startup has introduced Qinghe No. 1, a neutral-atom quantum computer designed for direct installation in data-center server racks, aiming to bypass the need for large cryogenic systems and accelerate enterprise quantum hardware integration
Quantum entanglement measured in heavy-fermion strange metal
Researchers used inelastic neutron scattering and quantum Fisher information to directly probe multipartite entanglement in a heavy-fermion metal, offering new evidence for the quantum origins of strange metal behavior